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Network diagrams for hazard ratio analyses of overall survival (A) and progression-free survival (B). Carbo, carboplatin; cis, cisplatin; doc, docetaxel; erlot, erlotinib; gem, gemcitabine; nab-tax, nab-paclitaxel; neci, necitumumab; tax, paclitaxel; vin, vinorelbine.
